Page 125 - The Indian Optician Digital Edition March-April 2021

NYSTAGMUS

A COMPLETE STUDY

AND ITS MANAGEMENT

ystagmus is an involuntary, regular, rhythmic,
repetitive to-and-fro oscillation of the eyes.
NNystagmus can be physiological, congenital or
it may indicate disease of the visual system, central
nervous system or generalised abnormalities. It is mostly
binocular. It is uniocular in very rare cases such as in
internuclear ophthalmoplegia. It may be asymmetric in
spasmus nutans.
CLASSIFICATION (CLINICAL)

A. Physiologic
z End-point nystagmus
z Vestibular nystagmus (caloric or rotational)
z Optokinetic nystagmus
z Voluntary nystagmus

B. Pathologic
z Nystagmus associated with poor vision (retinal
diseases, optic nerve hypoplasia and anterior segment
pathology)
Dr Vineet Shrivastava
B.E.M.S., D.O., (FOOREC) z Nystagmus associated with neurologic diseases
FCLC (Gold Medalist)
Consultant Optometrist & Educator z Nystagmus associated with strabismus (latent
Banswara, Rajasthan
nystagmus, congenital or manifest nystagmus and

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